US6426704B1 - Modular upgradable solid state light source for traffic control - Google Patents
Modular upgradable solid state light source for traffic control Download PDFInfo
- Publication number
- US6426704B1 US6426704B1 US09/640,430 US64043000A US6426704B1 US 6426704 B1 US6426704 B1 US 6426704B1 US 64043000 A US64043000 A US 64043000A US 6426704 B1 US6426704 B1 US 6426704B1
- Authority
- US
- United States
- Prior art keywords
- modular
- light
- solid state
- light source
- traffic control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
- F21W2111/02—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for roads, paths or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
Description
Claims (16)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/640,430 US6426704B1 (en) | 2000-08-17 | 2000-08-17 | Modular upgradable solid state light source for traffic control |
EP01966702A EP1313984A1 (en) | 2000-08-17 | 2001-08-17 | Modular upgradable solid state light source for traffic control |
AU2001287191A AU2001287191A1 (en) | 2000-08-17 | 2001-08-17 | Modular upgradable solid state light source for traffic control |
PCT/US2001/041771 WO2002014739A1 (en) | 2000-08-17 | 2001-08-17 | Modular upgradable solid state light source for traffic control |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/640,430 US6426704B1 (en) | 2000-08-17 | 2000-08-17 | Modular upgradable solid state light source for traffic control |
Publications (1)
Publication Number | Publication Date |
---|---|
US6426704B1 true US6426704B1 (en) | 2002-07-30 |
Family
ID=24568203
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/640,430 Expired - Fee Related US6426704B1 (en) | 2000-08-17 | 2000-08-17 | Modular upgradable solid state light source for traffic control |
Country Status (4)
Country | Link |
---|---|
US (1) | US6426704B1 (en) |
EP (1) | EP1313984A1 (en) |
AU (1) | AU2001287191A1 (en) |
WO (1) | WO2002014739A1 (en) |
Cited By (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040105091A1 (en) * | 2002-08-26 | 2004-06-03 | Zaidi Nasir J. | Devices for measuring light from a source in situ |
US20050030203A1 (en) * | 2000-08-29 | 2005-02-10 | Sharp Frank M. | Traffic signal light having ambient light detection |
US20050046597A1 (en) * | 2003-08-18 | 2005-03-03 | Hutchison Michael C. | Traffic light signal system using radar-based target detection and tracking |
US20070007898A1 (en) * | 2003-09-09 | 2007-01-11 | Koninklijke Philips Electronics N.V. | Integrated lamp with feedback and wireless control |
US20070052553A1 (en) * | 2005-08-24 | 2007-03-08 | M&K Hutchison Investments, Lp | Traffic signal with integrated sensors |
US20080089060A1 (en) * | 2006-10-17 | 2008-04-17 | Philips Solid-State Lighting Solutions | Methods and apparatus for improving versatility and impact resistance of lighting fixtures |
US20080150757A1 (en) * | 2006-12-20 | 2008-06-26 | Michael Cole Hutchison | Traffic signal with integrated sensors |
US20120127313A1 (en) * | 2009-05-29 | 2012-05-24 | Tobias Ehlgen | Method and device for a vehicle-based illumination in insufficiently illuminated traffic environments |
US8193702B2 (en) | 2006-05-02 | 2012-06-05 | Switch Bulb Company, Inc. | Method of light dispersion and preferential scattering of certain wavelengths of light-emitting diodes and bulbs constructed therefrom |
US8415695B2 (en) | 2007-10-24 | 2013-04-09 | Switch Bulb Company, Inc. | Diffuser for LED light sources |
US8439528B2 (en) | 2007-10-03 | 2013-05-14 | Switch Bulb Company, Inc. | Glass LED light bulbs |
US8547002B2 (en) | 2006-05-02 | 2013-10-01 | Switch Bulb Company, Inc. | Heat removal design for LED bulbs |
US8591069B2 (en) | 2011-09-21 | 2013-11-26 | Switch Bulb Company, Inc. | LED light bulb with controlled color distribution using quantum dots |
US8702257B2 (en) | 2006-05-02 | 2014-04-22 | Switch Bulb Company, Inc. | Plastic LED bulb |
US8794775B2 (en) | 2012-09-27 | 2014-08-05 | Apple Inc. | Camera light source mounting structures |
US8876322B2 (en) | 2012-06-20 | 2014-11-04 | Journée Lighting, Inc. | Linear LED module and socket for same |
US9565782B2 (en) | 2013-02-15 | 2017-02-07 | Ecosense Lighting Inc. | Field replaceable power supply cartridge |
US9568665B2 (en) | 2015-03-03 | 2017-02-14 | Ecosense Lighting Inc. | Lighting systems including lens modules for selectable light distribution |
USD782094S1 (en) | 2015-07-20 | 2017-03-21 | Ecosense Lighting Inc. | LED luminaire having a mounting system |
USD782093S1 (en) | 2015-07-20 | 2017-03-21 | Ecosense Lighting Inc. | LED luminaire having a mounting system |
USD785218S1 (en) | 2015-07-06 | 2017-04-25 | Ecosense Lighting Inc. | LED luminaire having a mounting system |
US9651227B2 (en) | 2015-03-03 | 2017-05-16 | Ecosense Lighting Inc. | Low-profile lighting system having pivotable lighting enclosure |
US9651232B1 (en) | 2015-08-03 | 2017-05-16 | Ecosense Lighting Inc. | Lighting system having a mounting device |
US9651216B2 (en) | 2015-03-03 | 2017-05-16 | Ecosense Lighting Inc. | Lighting systems including asymmetric lens modules for selectable light distribution |
US9714037B2 (en) | 2014-08-18 | 2017-07-25 | Trimble Navigation Limited | Detection of driver behaviors using in-vehicle systems and methods |
US9746159B1 (en) | 2015-03-03 | 2017-08-29 | Ecosense Lighting Inc. | Lighting system having a sealing system |
US9869450B2 (en) | 2015-02-09 | 2018-01-16 | Ecosense Lighting Inc. | Lighting systems having a truncated parabolic- or hyperbolic-conical light reflector, or a total internal reflection lens; and having another light reflector |
US10161746B2 (en) | 2014-08-18 | 2018-12-25 | Trimble Navigation Limited | Systems and methods for cargo management |
US10204159B2 (en) | 2015-08-21 | 2019-02-12 | Trimble Navigation Limited | On-demand system and method for retrieving video from a commercial vehicle |
US10477636B1 (en) | 2014-10-28 | 2019-11-12 | Ecosense Lighting Inc. | Lighting systems having multiple light sources |
US10686976B2 (en) | 2014-08-18 | 2020-06-16 | Trimble Inc. | System and method for modifying onboard event detection and/or image capture strategy using external source data |
US10989372B2 (en) | 2017-03-09 | 2021-04-27 | Ecosense Lighting Inc. | Fixtures and lighting accessories for lighting devices |
US11022279B2 (en) | 2016-03-08 | 2021-06-01 | Ecosense Lighting Inc. | Lighting system with lens assembly |
US11028980B2 (en) | 2013-10-30 | 2021-06-08 | Ecosense Lighting Inc. | Flexible strip lighting apparatus and methods |
US11041609B2 (en) | 2018-05-01 | 2021-06-22 | Ecosense Lighting Inc. | Lighting systems and devices with central silicone module |
US11133661B2 (en) * | 2018-12-17 | 2021-09-28 | Scott Bradley | Traffic signal position detection system |
US11279278B2 (en) * | 2018-08-08 | 2022-03-22 | Suzhou Sonavox Electronics Co., Ltd. | Pedestrian warning device having grille cover |
US11296057B2 (en) | 2017-01-27 | 2022-04-05 | EcoSense Lighting, Inc. | Lighting systems with high color rendering index and uniform planar illumination |
US11306897B2 (en) | 2015-02-09 | 2022-04-19 | Ecosense Lighting Inc. | Lighting systems generating partially-collimated light emissions |
US11353200B2 (en) | 2018-12-17 | 2022-06-07 | Korrus, Inc. | Strip lighting system for direct input of high voltage driving power |
US11459006B2 (en) * | 2018-06-14 | 2022-10-04 | Siemens Mobility, Inc. | Modular lamp system for railroad crossing warning device |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6741351B2 (en) * | 2001-06-07 | 2004-05-25 | Koninklijke Philips Electronics N.V. | LED luminaire with light sensor configurations for optical feedback |
EP3095709B1 (en) * | 2015-05-20 | 2018-01-10 | Goodrich Lighting Systems GmbH | Exterior aircraft lighting device |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4887080A (en) * | 1987-08-18 | 1989-12-12 | Robot Foto Und Electronic Gmbh U. Co. Kg | Stationary traffic monitoring device |
US4914434A (en) * | 1988-06-13 | 1990-04-03 | Morgan Rodney K | Traffic signal preemption system |
US5561346A (en) * | 1994-08-10 | 1996-10-01 | Byrne; David J. | LED lamp construction |
US5633629A (en) * | 1995-02-08 | 1997-05-27 | Hochstein; Peter A. | Traffic information system using light emitting diodes |
US5782555A (en) * | 1996-06-27 | 1998-07-21 | Hochstein; Peter A. | Heat dissipating L.E.D. traffic light |
US5947587A (en) * | 1996-10-16 | 1999-09-07 | U.S. Philips Corporation | Signal lamp with LEDs |
US6107941A (en) * | 1991-10-09 | 2000-08-22 | R. D. Jones, Right Of Way, Inc. | Traffic control system and kit |
US6153985A (en) * | 1999-07-09 | 2000-11-28 | Dialight Corporation | LED driving circuitry with light intensity feedback to control output light intensity of an LED |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9708861D0 (en) * | 1997-04-30 | 1997-06-25 | Signal House Limited | Traffic signals |
-
2000
- 2000-08-17 US US09/640,430 patent/US6426704B1/en not_active Expired - Fee Related
-
2001
- 2001-08-17 AU AU2001287191A patent/AU2001287191A1/en not_active Abandoned
- 2001-08-17 EP EP01966702A patent/EP1313984A1/en not_active Withdrawn
- 2001-08-17 WO PCT/US2001/041771 patent/WO2002014739A1/en active Application Filing
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4887080A (en) * | 1987-08-18 | 1989-12-12 | Robot Foto Und Electronic Gmbh U. Co. Kg | Stationary traffic monitoring device |
US4914434A (en) * | 1988-06-13 | 1990-04-03 | Morgan Rodney K | Traffic signal preemption system |
US6107941A (en) * | 1991-10-09 | 2000-08-22 | R. D. Jones, Right Of Way, Inc. | Traffic control system and kit |
US5561346A (en) * | 1994-08-10 | 1996-10-01 | Byrne; David J. | LED lamp construction |
US5633629A (en) * | 1995-02-08 | 1997-05-27 | Hochstein; Peter A. | Traffic information system using light emitting diodes |
US5782555A (en) * | 1996-06-27 | 1998-07-21 | Hochstein; Peter A. | Heat dissipating L.E.D. traffic light |
US5947587A (en) * | 1996-10-16 | 1999-09-07 | U.S. Philips Corporation | Signal lamp with LEDs |
US6153985A (en) * | 1999-07-09 | 2000-11-28 | Dialight Corporation | LED driving circuitry with light intensity feedback to control output light intensity of an LED |
Cited By (60)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050030203A1 (en) * | 2000-08-29 | 2005-02-10 | Sharp Frank M. | Traffic signal light having ambient light detection |
US7088261B2 (en) * | 2000-08-29 | 2006-08-08 | Lailai Capital Corp. | Traffic signal light having ambient light detection |
US20040105091A1 (en) * | 2002-08-26 | 2004-06-03 | Zaidi Nasir J. | Devices for measuring light from a source in situ |
US20050046597A1 (en) * | 2003-08-18 | 2005-03-03 | Hutchison Michael C. | Traffic light signal system using radar-based target detection and tracking |
US7821422B2 (en) | 2003-08-18 | 2010-10-26 | Light Vision Systems, Inc. | Traffic light signal system using radar-based target detection and tracking |
US7521872B2 (en) * | 2003-09-09 | 2009-04-21 | Koninklijke Philips Electronics, N.V. | Integrated lamp with feedback and wireless control |
US20070007898A1 (en) * | 2003-09-09 | 2007-01-11 | Koninklijke Philips Electronics N.V. | Integrated lamp with feedback and wireless control |
US20070052553A1 (en) * | 2005-08-24 | 2007-03-08 | M&K Hutchison Investments, Lp | Traffic signal with integrated sensors |
US7327281B2 (en) | 2005-08-24 | 2008-02-05 | M & K Hutchison Investments, Lp | Traffic signal with integrated sensors |
US8702257B2 (en) | 2006-05-02 | 2014-04-22 | Switch Bulb Company, Inc. | Plastic LED bulb |
US8853921B2 (en) | 2006-05-02 | 2014-10-07 | Switch Bulb Company, Inc. | Heat removal design for LED bulbs |
US8547002B2 (en) | 2006-05-02 | 2013-10-01 | Switch Bulb Company, Inc. | Heat removal design for LED bulbs |
US8704442B2 (en) | 2006-05-02 | 2014-04-22 | Switch Bulb Company, Inc. | Method of light dispersion and preferential scattering of certain wavelengths of light for light-emitting diodes and bulbs constructed therefrom |
US8193702B2 (en) | 2006-05-02 | 2012-06-05 | Switch Bulb Company, Inc. | Method of light dispersion and preferential scattering of certain wavelengths of light-emitting diodes and bulbs constructed therefrom |
US8569949B2 (en) | 2006-05-02 | 2013-10-29 | Switch Bulb Company, Inc. | Method of light dispersion and preferential scattering of certain wavelengths of light-emitting diodes and bulbs constructed therefrom |
US20080089060A1 (en) * | 2006-10-17 | 2008-04-17 | Philips Solid-State Lighting Solutions | Methods and apparatus for improving versatility and impact resistance of lighting fixtures |
US7642928B2 (en) * | 2006-12-20 | 2010-01-05 | M&K Hutchison Investments, Lp | Traffic signal with integrated sensors |
US20080150757A1 (en) * | 2006-12-20 | 2008-06-26 | Michael Cole Hutchison | Traffic signal with integrated sensors |
US8439528B2 (en) | 2007-10-03 | 2013-05-14 | Switch Bulb Company, Inc. | Glass LED light bulbs |
US8752984B2 (en) | 2007-10-03 | 2014-06-17 | Switch Bulb Company, Inc. | Glass LED light bulbs |
US8415695B2 (en) | 2007-10-24 | 2013-04-09 | Switch Bulb Company, Inc. | Diffuser for LED light sources |
US8981405B2 (en) | 2007-10-24 | 2015-03-17 | Switch Bulb Company, Inc. | Diffuser for LED light sources |
US20120127313A1 (en) * | 2009-05-29 | 2012-05-24 | Tobias Ehlgen | Method and device for a vehicle-based illumination in insufficiently illuminated traffic environments |
US8591069B2 (en) | 2011-09-21 | 2013-11-26 | Switch Bulb Company, Inc. | LED light bulb with controlled color distribution using quantum dots |
US8876322B2 (en) | 2012-06-20 | 2014-11-04 | Journée Lighting, Inc. | Linear LED module and socket for same |
US8794775B2 (en) | 2012-09-27 | 2014-08-05 | Apple Inc. | Camera light source mounting structures |
US9565782B2 (en) | 2013-02-15 | 2017-02-07 | Ecosense Lighting Inc. | Field replaceable power supply cartridge |
US11028980B2 (en) | 2013-10-30 | 2021-06-08 | Ecosense Lighting Inc. | Flexible strip lighting apparatus and methods |
US10686976B2 (en) | 2014-08-18 | 2020-06-16 | Trimble Inc. | System and method for modifying onboard event detection and/or image capture strategy using external source data |
US10161746B2 (en) | 2014-08-18 | 2018-12-25 | Trimble Navigation Limited | Systems and methods for cargo management |
US9714037B2 (en) | 2014-08-18 | 2017-07-25 | Trimble Navigation Limited | Detection of driver behaviors using in-vehicle systems and methods |
US10477636B1 (en) | 2014-10-28 | 2019-11-12 | Ecosense Lighting Inc. | Lighting systems having multiple light sources |
US9869450B2 (en) | 2015-02-09 | 2018-01-16 | Ecosense Lighting Inc. | Lighting systems having a truncated parabolic- or hyperbolic-conical light reflector, or a total internal reflection lens; and having another light reflector |
US11614217B2 (en) | 2015-02-09 | 2023-03-28 | Korrus, Inc. | Lighting systems generating partially-collimated light emissions |
US11306897B2 (en) | 2015-02-09 | 2022-04-19 | Ecosense Lighting Inc. | Lighting systems generating partially-collimated light emissions |
US9568665B2 (en) | 2015-03-03 | 2017-02-14 | Ecosense Lighting Inc. | Lighting systems including lens modules for selectable light distribution |
US9746159B1 (en) | 2015-03-03 | 2017-08-29 | Ecosense Lighting Inc. | Lighting system having a sealing system |
US9651216B2 (en) | 2015-03-03 | 2017-05-16 | Ecosense Lighting Inc. | Lighting systems including asymmetric lens modules for selectable light distribution |
US9651227B2 (en) | 2015-03-03 | 2017-05-16 | Ecosense Lighting Inc. | Low-profile lighting system having pivotable lighting enclosure |
USD785218S1 (en) | 2015-07-06 | 2017-04-25 | Ecosense Lighting Inc. | LED luminaire having a mounting system |
USD782094S1 (en) | 2015-07-20 | 2017-03-21 | Ecosense Lighting Inc. | LED luminaire having a mounting system |
USD782093S1 (en) | 2015-07-20 | 2017-03-21 | Ecosense Lighting Inc. | LED luminaire having a mounting system |
US9651232B1 (en) | 2015-08-03 | 2017-05-16 | Ecosense Lighting Inc. | Lighting system having a mounting device |
US10204159B2 (en) | 2015-08-21 | 2019-02-12 | Trimble Navigation Limited | On-demand system and method for retrieving video from a commercial vehicle |
US11359796B2 (en) | 2016-03-08 | 2022-06-14 | Korrus, Inc. | Lighting system with lens assembly |
US11867382B2 (en) | 2016-03-08 | 2024-01-09 | Korrus, Inc. | Lighting system with lens assembly |
US11022279B2 (en) | 2016-03-08 | 2021-06-01 | Ecosense Lighting Inc. | Lighting system with lens assembly |
US11060702B2 (en) | 2016-03-08 | 2021-07-13 | Ecosense Lighting Inc. | Lighting system with lens assembly |
US11512838B2 (en) | 2016-03-08 | 2022-11-29 | Korrus, Inc. | Lighting system with lens assembly |
US11658163B2 (en) | 2017-01-27 | 2023-05-23 | Korrus, Inc. | Lighting systems with high color rendering index and uniform planar illumination |
US11296057B2 (en) | 2017-01-27 | 2022-04-05 | EcoSense Lighting, Inc. | Lighting systems with high color rendering index and uniform planar illumination |
US11339932B2 (en) | 2017-03-09 | 2022-05-24 | Korrus, Inc. | Fixtures and lighting accessories for lighting devices |
US10989372B2 (en) | 2017-03-09 | 2021-04-27 | Ecosense Lighting Inc. | Fixtures and lighting accessories for lighting devices |
US11578857B2 (en) | 2018-05-01 | 2023-02-14 | Korrus, Inc. | Lighting systems and devices with central silicone module |
US11041609B2 (en) | 2018-05-01 | 2021-06-22 | Ecosense Lighting Inc. | Lighting systems and devices with central silicone module |
US11459006B2 (en) * | 2018-06-14 | 2022-10-04 | Siemens Mobility, Inc. | Modular lamp system for railroad crossing warning device |
US11279278B2 (en) * | 2018-08-08 | 2022-03-22 | Suzhou Sonavox Electronics Co., Ltd. | Pedestrian warning device having grille cover |
US11353200B2 (en) | 2018-12-17 | 2022-06-07 | Korrus, Inc. | Strip lighting system for direct input of high voltage driving power |
US11133661B2 (en) * | 2018-12-17 | 2021-09-28 | Scott Bradley | Traffic signal position detection system |
US11708966B2 (en) | 2018-12-17 | 2023-07-25 | Korrus, Inc. | Strip lighting system for direct input of high voltage driving power |
Also Published As
Publication number | Publication date |
---|---|
EP1313984A1 (en) | 2003-05-28 |
WO2002014739A9 (en) | 2003-02-13 |
AU2001287191A1 (en) | 2002-02-25 |
WO2002014739A1 (en) | 2002-02-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6426704B1 (en) | Modular upgradable solid state light source for traffic control | |
US6527422B1 (en) | Solid state light with solar shielded heatsink | |
US6448716B1 (en) | Solid state light with self diagnostics and predictive failure analysis mechanisms | |
US6614358B1 (en) | Solid state light with controlled light output | |
US6450662B1 (en) | Solid state traffic light apparatus having homogenous light source | |
US6439743B1 (en) | Solid state traffic light apparatus having a cover including an integral lens | |
US6474839B1 (en) | LED based trough designed mechanically steerable beam traffic signal | |
US6473002B1 (en) | Split-phase PED head signal | |
US7088261B2 (en) | Traffic signal light having ambient light detection | |
WO2002015281A2 (en) | Glass-to-metal hermetically sealed led array | |
US6441750B1 (en) | Light alignment system for electronically steerable light output in traffic signals | |
US6323781B1 (en) | Electronically steerable light output viewing angles for traffic signals | |
US20050099319A1 (en) | Traffic signal light with integral sensors | |
CN1967048B (en) | System, display apparatus and method for providing controlled illumination using internal reflection | |
JP2000173304A (en) | Aviation marker lamp | |
KR20000015906A (en) | Lighting device for signaling, identification or marking | |
NL2021612B1 (en) | Luminaire system for determining weather related information | |
EP1316242B1 (en) | Constant output solid state light source with electronically filtered optical feedback | |
US20030137428A1 (en) | Solid state traffic light apparatus having suspended particle | |
KR20200135845A (en) | Electric device for vehicle scaffolding | |
EP1829011A1 (en) | Led illuminator for traffic control | |
NL1023460C2 (en) | Security illumination device has properties for securing optical functions of a light source during use in illumination device | |
CN115916592A (en) | Adapting a drive current of a transmitter based on a characteristic of a cover | |
KR20190032914A (en) | Method and system for controlling of spotlight based on result from environment sensor |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: POWER SIGNAL TECHNOLOGIES, INC., TEXAS Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HUTCHISON, MICHAEL C.;REEL/FRAME:011086/0515 Effective date: 20000816 |
|
AS | Assignment |
Owner name: COMERICA BANK, CALIFORNIA Free format text: SECURITY INTEREST;ASSIGNOR:OPTISOFT, INC.;REEL/FRAME:014709/0804 Effective date: 20031113 |
|
AS | Assignment |
Owner name: OPTISOFT, INC., TEXAS Free format text: CHANGE OF NAME;ASSIGNOR:POWER SIGNAL TECHNOLOGIES, INC.;REEL/FRAME:014709/0657 Effective date: 20010430 |
|
AS | Assignment |
Owner name: COMERICA BANK, TEXAS Free format text: BILL OF SALE;ASSIGNOR:OPTISOFT, INC.;REEL/FRAME:015953/0639 Effective date: 20050328 Owner name: OPTISOFT, INC., TEXAS Free format text: RELEASE OF SECURITY INTEREST;ASSIGNOR:COMERICA BANK;REEL/FRAME:015953/0648 Effective date: 20050415 |
|
AS | Assignment |
Owner name: LAILAI CAPITAL CORPORATION, CALIFORNIA Free format text: BILL OF SALE;ASSIGNOR:COMERICA BANK;REEL/FRAME:016004/0290 Effective date: 20050328 |
|
FPAY | Fee payment |
Year of fee payment: 4 |
|
AS | Assignment |
Owner name: LAILAI CAPITAL CORPORATION, CALIFORNIA Free format text: DISPOSITION OF COLLATERAL;ASSIGNOR:OPTISOFT;REEL/FRAME:017176/0223 Effective date: 20050308 |
|
AS | Assignment |
Owner name: LIGHT VISION SYSTEMS, INC., TEXAS Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:LAILAI CAPITAL CORPORATION;REEL/FRAME:018338/0079 Effective date: 20060530 |
|
REMI | Maintenance fee reminder mailed | ||
FPAY | Fee payment |
Year of fee payment: 8 |
|
SULP | Surcharge for late payment |
Year of fee payment: 7 |
|
REMI | Maintenance fee reminder mailed | ||
LAPS | Lapse for failure to pay maintenance fees | ||
STCH | Information on status: patent discontinuation |
Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
|
FP | Lapsed due to failure to pay maintenance fee |
Effective date: 20140730 |